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【单选题】
下列是关于水泥稳定碎石基层材料配合比设计试件养生的说法： ①养生温度为南方25+2℃，北方20+2℃； ②养生龄期都是6天； ③养生期间试件的质量损失不超过10g； ④第7天，试件浸泡在水中1天。 其中表示正确的是（）。A.
③④
B.
①②④
C.
①②③④
D.
无
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【单选题】听力原文：W: Welcome to visit our city, Mr. Lewis -- but, of course, you have been here before, haven't you? M: Yes, I have, what a good memory you have! I was here for the Arts Festival last year. W: And ...
A.
To visit friends.
B.
To give concerts.
C.
To vacation,
D.
To give private lessons.
【单选题】America will never again have as a nation the spirit of adventure as it __________ before the West was settled.
A.
could
B.
did
C.
would
D.
was
【单选题】For I have sworn before you and Almighty God the same solemn oath our forebears prescribed nearly a century and three-quarters ago.
A.
order or direct
B.
produce
C.
protect
D.
agree
【单选题】-I have finished the task . How about you? -We haven’t finished ours .
A.
yet; yet
B.
already; ever
C.
before; already
D.
already; yet
【单选题】For I have sworn before you and Almighty God the same solemn oath our forebears prescribed nearly a century and three-quarters ago.
A.
ancestors
B.
heirs
C.
antecedents
D.
foremen
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